Semiconductor Group
1
10.94
Type
Ordering Code
Pin Configuration
Marking
Package
(tape and reel)
1
2
3
BB 304A
Q62702-B118
A1
C1/C2 A2
color coded
capacitance
groups
TO-92
Maximum Ratings
Parameter
Symbol
Values
Unit
Reverse voltage
V
R
18
V
Peak reverse voltage (
R
10
)
V
RM
20
V
Forward current
T
A
60
C
I
F
50
mA
Storage temperature range
T
stg
55 ... + 150
C
Thermal Resistance
Junction-ambient
R
th JA
K/W
Silicon Variable Capacitance Diode
Preliminary Data
BB 304A
q
For FM tuners
q
Monolithic chip with common
cathode for perfect tracking of both diodes
q
Uniform "square law" characteristics
q
Ideal Hifi tuning device when used in
Low-distortion back-to back configuration
q
Color-coded capacitance subgroups
available (see characteristics)
BB 304A
Semiconductor Group
2
Electrical Characteristics
at
T
A
= 25
C, unless otherwise specified.
Package Outline
Parameter
Symbol
Value
Unit
min.
typ.
max.
DC Characteristics
Reverse current
V
R
= 16 V
V
R
= 16 V,
T
A
= 60
C
I
R
20
200
nA
Diode capacitance
V
R
= 2 V,
f
= 1 MHz
C
T
42
47.5
pF
Capacitance ratio
V
R
= 2 V ... 8V,
f
= 1 MHz
C
T2
/
C
T8
1.65
1.75
Series resistance
V
R
= 38 V,
f
= 100 MHz
r
S
0.25
0.4
Q factor
C
T
= 38 pF,
f
= 100 MHz
Q
100
170
Diode capacitance
V
R
= 2 V,
f
= 1 MHz
Subgroup: red
yellow
white
green
blue
C
T
42
43
44
45
46
43.5
44.5
45.5
46.5
47.5
pF
TO-92
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